Vapi · Schema

Call

AIVoiceAgentsRealtimeCPaaS

Properties

Name Type Description
type string This is the type of call.
costs array These are the costs of individual components of the call in USD.
messages array
phoneCallProvider string This is the provider of the call. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type.
phoneCallTransport string This is the transport of the phone call. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type.
status string This is the status of the call.
endedReason string This is the explanation for how the call ended.
endedMessage string This is the message that adds more context to the ended reason. It can be used to provide potential error messages or warnings.
destination object This is the destination where the call ended up being transferred to. If the call was not transferred, this will be empty.
id string This is the unique identifier for the call.
orgId string This is the unique identifier for the org that this call belongs to.
createdAt string This is the ISO 8601 date-time string of when the call was created.
updatedAt string This is the ISO 8601 date-time string of when the call was last updated.
startedAt string This is the ISO 8601 date-time string of when the call was started.
endedAt string This is the ISO 8601 date-time string of when the call was ended.
cost number This is the cost of the call in USD.
costBreakdown object This is the cost of the call in USD.
artifactPlan object This is a copy of assistant artifact plan. This isn't actually stored on the call but rather just returned in POST /call/web to enable artifact creation client side.
analysis object This is the analysis of the call. Configure in `assistant.analysisPlan`.
monitor object This is to real-time monitor the call. Configure in `assistant.monitorPlan`.
artifact object These are the artifacts created from the call. Configure in `assistant.artifactPlan`.
compliance object This is the compliance of the call. Configure in `assistant.compliancePlan`.
phoneCallProviderId string The ID of the call as provided by the phone number service. callSid in Twilio. conversationUuid in Vonage. callControlId in Telnyx. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type.
campaignId string This is the campaign ID that the call belongs to.
assistantId string This is the assistant ID that will be used for the call. To use a transient assistant, use `assistant` instead. To start a call with: - Assistant, use `assistantId` or `assistant` - Squad, use `squadI
assistant object This is the assistant that will be used for the call. To use an existing assistant, use `assistantId` instead. To start a call with: - Assistant, use `assistant` - Squad, use `squad` - Workflow, use `
assistantOverrides object These are the overrides for the `assistant` or `assistantId`'s settings and template variables.
squadId string This is the squad that will be used for the call. To use a transient squad, use `squad` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `squadId` -
squad object This is a squad that will be used for the call. To use an existing squad, use `squadId` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `squadId` -
squadOverrides object These are the overrides for the `squad` or `squadId`'s member settings and template variables. This will apply to all members of the squad.
workflowId string This is the workflow that will be used for the call. To use a transient workflow, use `workflow` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `s
workflow object This is a workflow that will be used for the call. To use an existing workflow, use `workflowId` instead. To start a call with: - Assistant, use `assistant` or `assistantId` - Squad, use `squad` or `s
workflowOverrides object These are the overrides for the `workflow` or `workflowId`'s settings and template variables.
phoneNumberId string This is the phone number that will be used for the call. To use a transient number, use `phoneNumber` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type.
phoneNumber object This is the phone number that will be used for the call. To use an existing number, use `phoneNumberId` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type.
customerId string This is the customer that will be called. To call a transient customer , use `customer` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type.
customer object This is the customer that will be called. To call an existing customer, use `customerId` instead. Only relevant for `outboundPhoneCall` and `inboundPhoneCall` type.
name string This is the name of the call. This is just for your own reference.
schedulePlan object This is the schedule plan of the call.
transport object This is the transport of the call.
View JSON Schema on GitHub

JSON Schema

vapi-call-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Call",
  "title": "Call",
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "description": "This is the type of call.",
      "enum": [
        "inboundPhoneCall",
        "outboundPhoneCall",
        "webCall",
        "vapi.websocketCall"
      ]
    },
    "costs": {
      "type": "array",
      "description": "These are the costs of individual components of the call in USD.",
      "items": {
        "oneOf": [
          {
            "$ref": "#/components/schemas/TransportCost",
            "title": "TransportCost"
          },
          {
            "$ref": "#/components/schemas/TranscriberCost",
            "title": "TranscriberCost"
          },
          {
            "$ref": "#/components/schemas/ModelCost",
            "title": "ModelCost"
          },
          {
            "$ref": "#/components/schemas/VoiceCost",
            "title": "VoiceCost"
          },
          {
            "$ref": "#/components/schemas/VapiCost",
            "title": "VapiCost"
          },
          {
            "$ref": "#/components/schemas/VoicemailDetectionCost",
            "title": "VoicemailDetectionCost"
          },
          {
            "$ref": "#/components/schemas/AnalysisCost",
            "title": "AnalysisCost"
          },
          {
            "$ref": "#/components/schemas/KnowledgeBaseCost",
            "title": "KnowledgeBaseCost"
          }
        ]
      }
    },
    "messages": {
      "type": "array",
      "items": {
        "oneOf": [
          {
            "$ref": "#/components/schemas/UserMessage",
            "title": "UserMessage"
          },
          {
            "$ref": "#/components/schemas/SystemMessage",
            "title": "SystemMessage"
          },
          {
            "$ref": "#/components/schemas/BotMessage",
            "title": "BotMessage"
          },
          {
            "$ref": "#/components/schemas/ToolCallMessage",
            "title": "ToolCallMessage"
          },
          {
            "$ref": "#/components/schemas/ToolCallResultMessage",
            "title": "ToolCallResultMessage"
          }
        ]
      }
    },
    "phoneCallProvider": {
      "type": "string",
      "description": "This is the provider of the call.\n\nOnly relevant for `outboundPhoneCall` and `inboundPhoneCall` type.",
      "deprecated": true,
      "enum": [
        "twilio",
        "vonage",
        "vapi",
        "telnyx"
      ]
    },
    "phoneCallTransport": {
      "type": "string",
      "description": "This is the transport of the phone call.\n\nOnly relevant for `outboundPhoneCall` and `inboundPhoneCall` type.",
      "enum": [
        "sip",
        "pstn"
      ]
    },
    "status": {
      "type": "string",
      "description": "This is the status of the call.",
      "enum": [
        "scheduled",
        "queued",
        "ringing",
        "in-progress",
        "forwarding",
        "ended",
        "not-found",
        "deletion-failed"
      ]
    },
    "endedReason": {
      "type": "string",
      "description": "This is the explanation for how the call ended.",
      "enum": [
        "call-start-error-neither-assistant-nor-server-set",
        "assistant-request-failed",
        "assistant-request-returned-error",
        "assistant-request-returned-unspeakable-error",
        "assistant-request-returned-invalid-assistant",
        "assistant-request-returned-no-assistant",
        "assistant-request-returned-forwarding-phone-number",
        "scheduled-call-deleted",
        "call.start.error-vapifault-get-org",
        "call.start.error-vapifault-get-subscription",
        "call.start.error-get-assistant",
        "call.start.error-get-phone-number",
        "call.start.error-get-customer",
        "call.start.error-get-resources-validation",
        "call.start.error-vapi-number-international",
        "call.start.error-vapi-number-outbound-daily-limit",
        "call.start.error-get-transport",
        "call.start.error-subscription-wallet-does-not-exist",
        "call.start.error-fraud-check-failed",
        "call.start.error-subscription-frozen",
        "call.start.error-subscription-insufficient-credits",
        "call.start.error-subscription-upgrade-failed",
        "call.start.error-subscription-concurrency-limit-reached",
        "call.start.error-enterprise-feature-not-available-recording-consent",
        "assistant-not-valid",
        "call.start.error-vapifault-database-error",
        "assistant-not-found",
        "pipeline-error-openai-voice-failed",
        "pipeline-error-cartesia-voice-failed",
        "pipeline-error-deepgram-voice-failed",
        "pipeline-error-eleven-labs-voice-failed",
        "pipeline-error-playht-voice-failed",
        "pipeline-error-lmnt-voice-failed",
        "pipeline-error-azure-voice-failed",
        "pipeline-error-rime-ai-voice-failed",
        "pipeline-error-smallest-ai-voice-failed",
        "pipeline-error-vapi-voice-failed",
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        "worker-shutdown",
        "vonage-disconnected",
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# Full source: https://raw.githubusercontent.com/api-evangelist/vapi/refs/heads/main/json-schema/vapi-call-schema.json